libav up to 0.7.2 svq1dec.c svq1_decode_frame memory corruption

CVSS Meta Temp Score
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CTI Interest Score
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5.1$0-$5k0.00

Summaryinfo

A vulnerability identified as critical has been detected in libav up to 0.7.2. Affected by this vulnerability is the function svq1_decode_frame of the file svq1dec.c. The manipulation leads to memory corruption. This vulnerability is documented as CVE-2011-4579. There is not any exploit available. You should upgrade the affected component.

Detailsinfo

A vulnerability was found in libav up to 0.7.2 (Multimedia Player Software). It has been rated as critical. This issue affects the function svq1_decode_frame of the file svq1dec.c. The manipulation with an unknown input leads to a memory corruption vulnerability. Using CWE to declare the problem leads to CWE-119. The product performs operations on a memory buffer, but it can read from or write to a memory location that is outside of the intended boundary of the buffer. Impacted is availability. The summary by CVE is:

The svq1_decode_frame function in the SVQ1 decoder (svq1dec.c) in libavcodec in FFmpeg 0.5.x before 0.5.7, 0.6.x before 0.6.4, 0.7.x before 0.7.9, and 0.8.x before 0.8.8; and in Libav 0.5.x before 0.5.6, 0.6.x before 0.6.4, and 0.7.x before 0.7.3 allows remote attackers to cause a denial of service (memory corruption) via a crafted SVQ1 stream, related to "dimensions changed."

The weakness was released 08/20/2012 as not defined posting (Bugtraq). The advisory is shared at securityfocus.com. The identification of this vulnerability is CVE-2011-4579 since 11/29/2011. The attack may be initiated remotely. No form of authentication is needed for a successful exploitation. Technical details are known, but no exploit is available.

The vulnerability scanner Nessus provides a plugin with the ID 57518 (Debian DSA-2378-1 : ffmpeg - several vulnerabilities), which helps to determine the existence of the flaw in a target environment. It is assigned to the family Debian Local Security Checks. The commercial vulnerability scanner Qualys is able to test this issue with plugin 195145 (Ubuntu Security Notification for Libav Vulnerabilities (USN-1333-1)).

Upgrading to version 0.7.1 eliminates this vulnerability.

The vulnerability is also documented in the databases at X-Force (72123), Tenable (57518) and Vulnerability Center (SBV-36252†). Entries connected to this vulnerability are available at VDB-61720, VDB-61719, VDB-61718 and VDB-61717. Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

Productinfo

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Name

Version

License

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.3
VulDB Meta Temp Score: 5.1

VulDB Base Score: 5.3
VulDB Temp Score: 5.1
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

AVACAuCIA
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

NVD Base Score: 🔍

Exploitinginfo

Class: Memory corruption
CWE: CWE-119
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Nessus ID: 57518
Nessus Name: Debian DSA-2378-1 : ffmpeg - several vulnerabilities
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍

OpenVAS ID: 70697
OpenVAS Name: Debian Security Advisory DSA 2378-1 (ffmpeg)
OpenVAS File: 🔍
OpenVAS Family: 🔍

Qualys ID: 🔍
Qualys Name: 🔍

Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: libav 0.7.1
Patch: 6e24b9488e67849a28e64a8056e05f83cf439229

Timelineinfo

11/29/2011 🔍
08/20/2012 +265 days 🔍
08/20/2012 +0 days 🔍
08/20/2012 +0 days 🔍
09/25/2012 +36 days 🔍
03/23/2015 +909 days 🔍
12/12/2021 +2456 days 🔍

Sourcesinfo

Advisory: DSA-2378⛔
Status: Not defined
Confirmation: 🔍

CVE: CVE-2011-4579 (🔍)
GCVE (CVE): GCVE-0-2011-4579
GCVE (VulDB): GCVE-100-61721

OVAL: 🔍

X-Force: 72123
SecurityFocus: 50760
Vulnerability Center: 36252 - FFmpeg and Libav svq1_decode_frame Function SVQ Decoder Allows Remote DoS via a Crafted SVQ1 Stream, Medium

See also: 🔍

Entryinfo

Created: 03/23/2015 16:50
Updated: 12/12/2021 08:53
Changes: 03/23/2015 16:50 (61), 04/17/2017 11:26 (9), 12/12/2021 08:49 (5), 12/12/2021 08:51 (1), 12/12/2021 08:53 (3)
Complete: 🔍
Cache ID: 216:856:103

Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

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